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CMS AuthEnvelopedData fails to enforce tag-length on decryption

Legion of the Bouncy Castle Inc. BC-FJA · CVE-2026-12802
0 news outlets0 CERTs and agencies0 researchers

What is it?

In Bouncy Castle for Java before 1.85, CMS AuthEnvelopedData fails to enforce tag-length on decryption. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpkix-fips 1.0.12 (1.0.X series), 2.0.12 (2.0.X series) and 2.1.12 (2.1.X series).

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
8.7
EPSS
0.1%
First seen
7 d ago
Status
corroborated

All Legion of the Bouncy Castle Inc. vulnerabilities